Items where Author is "O'Reagain, Peter J."

2022

O'Reagain, P. J., Bushell, J. and Anderson, A. E. (2022) Long term performance of different cattle stocking strategies in a variable climate. In: Australian Association of Animal Sciences 34th Biennial Conference 2022, 5–7 July 2022, Cairns, Queensland.

Williams, W. J., Schmidt, S., Zaady, E., Alchin, B., Myint Swe, T., Williams, S., Dooley, M., Penfold, G., O'Reagain, P. J., Bushell, J., Cowley, R., Driscoll, C. and Robinson, N. (2022) Resting Subtropical Grasslands from Grazing in the Wet Season Boosts Biocrust Hotspots to Improve Soil Health. Agronomy, 12 (1). p. 62. ISSN 2073-4395

2021

Pringle, M. J., O'Reagain, P. J., Stone, G. S., Carter, J. O., Orton, T. G. and Bushell, J. J. (2021) Using remote sensing to forecast forage quality for cattle in the dry savannas of northeast Australia. Ecological Indicators, 133 . p. 108426. ISSN 1470-160X

2019

Dekkers, M.H.A., Quigley, S.A., Scarth, P., O'Reagain, P. J. and Poppi, D. P. (2019) Watching the grasses grow: using UAVs and satellites to monitor rangeland species composition. In: Proceedings of the Northern Beef Research Update Conference, 19-22 August 2019, Brisbane, Queensland, Australia.

2018

Neilly, H., O'Reagain, P. J., Vanderwal, J. and Schwarzkopf, L. (2018) Profitable and Sustainable Cattle Grazing Strategies Support Reptiles in Tropical Savanna Rangeland. Rangeland Ecology & Management, 71 (2). pp. 205-212. ISSN 1550-7424

O'Reagain, P. J., Bushelle, J., Pahl, L. and Scanlan, J. C. (2018) Wambiana grazing trial Phase 3: stocking strategies for improving carrying capacity, land condition and biodiversity outcomes. Meat and Livestock Australia, North Sydney, Australia., 149 pages.

2016

Schmidt, M., Carter, J., Stone, G. and O'Reagain, P. J. (2016) Integration of Optical and X-Band Radar Data for Pasture Biomass Estimation in an Open Savannah Woodland. Remote Sensing, 8 (12). p. 989. ISSN 2072-4292

O'Reagain, P. J., Bushell, J.J. and Lewis, A. (2016) Is variable stocking more profitable than fixed stocking in a variable climate ? In: Proceedings of the Northern Beef Research Update Conference, Rockhampton, Queensland, Australia.

2015

Segoli, M., Bray, S. G., Allen, D., Dalal, R., Watson, I., Ash, A. and O'Reagain, P. J. (2015) Managing cattle grazing intensity: effects on soil organic matter and soil nitrogen. Soil Research, 53 (6). pp. 677-682.

Bastin, G., Carter, J., Tickle, P., Stone, G., Trevithick, R., O'Reagain, P. J., Phelps, D., Cowley, R. A., Pringle, M., Scanlan, J. C. and Hoffmann, M. B. (2015) Remotely sensed and modelled pasture biomass, land condition and the potential to improve grazing-management decision tools across the Australian rangelands. ERM.0098 . Meat and Livestock Australia, North Sydney, Australia., 128 pages.

2014

Bray, S. G., Doran-Browne, N. and O'Reagain, P. J. (2014) Northern Australian pasture and beef systems. 1. Net carbon position. Animal Production Science, 54 (12). pp. 1988-1994.

Doran-Browne, N. A., Bray, S. G., Johnson, I. R., O'Reagain, P. J. and Eckard, R. J. (2014) Northern Australian pasture and beef systems. 2. Validation and use of the Sustainable Grazing Systems (SGS) whole-farm biophysical model. Animal Production Science, 54 (12). pp. 1995-2002.

O'Reagain, P. J., Scanlan, J. C., Hunt, L., Cowley, R. and Walsh, D. (2014) Sustainable grazing management for temporal and spatial variability in north Australian rangelands – a synthesis of the latest evidence and recommendations. The Rangeland Journal, 36 (3). pp. 223-232.

2013

Scanlan, J. C., MacLeod, N. D. and O'Reagain, P. J. (2013) Scaling results up from a plot and paddock scale to a property - a case study from a long-term grazing experiment in northern Australia. Rangeland Journal, 35 (2). pp. 193-200.

O'Reagain, P. J. and Scanlan, J. C. (2013) Sustainable management for rangelands in a variable climate: evidence and insights from northern Australia. animal, 7 . pp. 68-78.

Allen, D. E., Pringle, M. J., Bray, S. G., Hall, T. J., O'Reagain, P. J., Phelps, D., Cobon, D. H., Bloesch, P. M. and Dalal, R. C. (2013) What determines soil organic carbon stocks in the grazing lands of north-eastern Australia? Soil Research, 51 (7-8). pp. 695-706. ISSN 1838675X (ISSN)

2012

Bastin, G., Scarth, P., Chewings, V., Sparrow, A., Denham, R., Schmidt, M., O'Reagain, P. J., Shepherd, R. and Abbott, B. (2012) Separating grazing and rainfall effects at regional scale using remote sensing imagery: A dynamic reference-cover method. Remote Sensing of Environment, 121 . pp. 443-457. ISSN 0034-4257

Kutt, A. S., Vanderduys, E. P. and O'Reagain, P. J. (2012) Spatial and temporal effects of grazing management and rainfall on the vertebrate fauna of a tropical savanna. Rangeland Journal, 34 (2). pp. 173-182. ISSN 1036-9872

2011

Orr, D.M. and O'Reagain, P. J. (2011) Managing for rainfall variability: impacts of grazing strategies on perennial grass dynamics in a dry tropical savanna. Rangeland Journal, 33 (2). p. 209. ISSN 1036-9872; 1834-7541

O'Reagain, P. J., Bushell, J. and Holmes, B. (2011) Managing for rainfall variability: long-term profitability of different grazing strategies in a northern Australian tropical savanna. Animal Production Science, 51 (3). pp. 210-224.

Pringle, M.J., Allen, D.E., Dalal, R.C., Payne, J.E., Mayer, D. G., O'Reagain, P. J. and Marchant, B.P. (2011) Soil carbon stock in the tropical rangelands of Australia: Effects of soil type and grazing pressure, and determination of sampling requirement. Geoderma, 167-68 . pp. 261-273.

O'Reagain, P. J. and Bushell, J.J. (2011) The Wambiana grazing trial : Key learnings for sustainable and profitable management in a variable environment. State of Queensland (Department of Employment, Economic Development and Innovation), Brisbane, 60 pages.

2010

Benvenutti, M., Bindelle, J., O'Reagain, P. J., Gordon, I., Mortimore, C., Isherwood, P. and Poppi, D. (2010) The effect of pasture utilization on the defoliation of grass species by steers grazing a tropical savanna woodland during the dry season. Advances in Animal Biosciences, 1 (2). pp. 433-434. ISSN 2040-4700

2009

O'Reagain, P. J., Bushell, J., Holloway, C. H. and Reid, A., E. (2009) Managing for rainfall variability: effect of grazing strategy on cattle production in a dry tropical savanna. Animal Production Science, 49 (2). pp. 85-99.

Tomkins, N. W., O'Reagain, P. J., Swain, D., Bishop-Hurley, G. and Charmley, E. (2009) Determining the effect of stocking rate on the spatial distribution of cattle for the subtropical savannas. The Rangeland Journal, 31 (3). pp. 267-276.

2008

Gibb, K., Beard, J., O'Reagain, P. J., Christian, K., Torok, V. and Ophel-Keller, K. (2008) Assessing the relationship between patch type and soil mites: A molecular approach. Pedobiologia, 51 (5-6). pp. 445-461.

Holloway, C. T., O'Reagain, P. J. and Tomkins, N. (2008) High resolution satellite imagery and GPS collars can help assist in the assessment of patch selection by grazing cattle in semi-arid savannas. In: Multifunctional grasslands in a changing world, Volume 1: XXI International Grassland Congress and VIII International Rangeland Congress., 29 June-5 July 2008, Hohhot, China.

Holloway, C. T., O'Reagain, P. J. and Tomkins, N. (2008) Patch selection by cattle can be quantified using satellite imagery and GPS in extensive, semi-arid savannas. In: Multifunctional grasslands in a changing world, Volume 1: XXI International Grassland Congress and VIII International Rangeland Congress., 29th June - 5th July 2008, Hohhot, China.

O'Reagain, P. J. and Bushell, J. (2008) Sustainable and profitable grazing management in a highly variable environment-evidence and insights from a long term grazing trial in northern Australia. In: Multifunctional grasslands in a changing world, Volume II: XXI International Grassland Congress and VIII International Rangeland Congress., 29 June - 5 July 2008, Hohhot, Inner Mongolia, China, ..

O'Reagain, P. J., Bainbridge, Z. and Brodie, J. E. (2008) Wambiana Grazing Trial: Water Quality Update to Burdekin Dry Tropics NRM. Technical Report. State of Queensland, Brisbane.

2007

Tomkins, N. and O'Reagain, P. J. (2007) Global positioning systems indicate landscape preferences of cattle in the subtropical savannas. The Rangeland Journal, 29 (2). pp. 217-222.

2005

O'Reagain, P. J., Brodie, J., Fraser, G., Bushell, J.J., Holloway, C. H., Faithful, J.W. and Haynes, D. (2005) Nutrient loss and water quality under extensive grazing in the upper Burdekin river catchment, North Queensland. Marine Pollution Bulletin, 51 (1-4). pp. 37-50.

Orr, D.M. and O'Reagain, P. J. (2005) Rainfall and grazing impacts on the population dynamics of Bothriochloa ewartiana in tropical Australia. In: Pastoral Systems in Marginal Environments: Proceedings of a Satellite Workshop of the XXth International Grassland Congress, July 2005, Glasgow, Scotland, July 2005, Glasgow, Scotland.

2002

Webb, M. J., O'Reagain, P. J., Hawdon, A., Joyce, S., Roth, C.H. and Kemei, J. (2002) Effect of long term exclusion of cattle on soil properties in the upper Burdekin catchment. Proceedings of the Australian Rangelands Society 12th Biennial Conference, Kalboorlie, 2-5 September 2002 . pp. 184-188.

O'Reagain, P. J. and McMeniman, N.P. (2002) Nutrition of sheep under rangeland conditions. In: Sheep Nutrition. CAB International, 385 pages. ISBN 978-0-85199-595-3

O'Reagain, P. J. and Ash, A.J. (2002) Principles of sustainable grazing management for the northern savannas. In: 12th Biennial Conference, The Australian Rangeland Society, 2-5 September, 2002, Kalgoorlie, Western Australia.

2001

O'Reagain, P. J. (2001) Foraging strategies on rangelands: Effects on intake and animal performance. In: Proceedings of the XIX International Grassland Conference Grassland ecosystems : an outlook into the 21st century. Fundacao de Estudos Agrarios Luiz de Queiroz.

1996

O'Reagain, P. J. and Owen-Smith, R.N. (1996) Effect of species composition and sward structure on dietary quality in cattle and sheep grazing South African sourveld. The Journal of Agricultural Science, 127 (2). pp. 261-270. ISSN 0021-8596

O'Reagain, P. J., Goetsch, B.C. and Owen-Smith, R.N. (1996) Effect of species composition and sward structure on the ingestive behaviour of cattle and sheep grazing South African sourveld. The Journal of Agricultural Science, 127 (2). pp. 271-280. ISSN 0021-8596

O'Reagain, P. J. and Goetsch, B.C. (1996) Investigation of the potential ingestion rates of different sourveld grasses by cattle and sheep. African Journal of Range & Forage Science, 13 (2). pp. 49-53. ISSN 1727-9380

O'Reagain, P. J. (1996) Predicting animal production on sourveld: A species‐based approach. African Journal of Range & Forage Science, 13 (3). pp. 113-123. ISSN 1727-9380

O'Reagain, P. J. (1996) Predicting animal production on sourveld: A sward‐based approach. African Journal of Range & Forage Science, 13 (3). pp. 124-130. ISSN 1727-9380

1995

O'Reagain, P. J., Goetsch, B.C. and Owen-Smith, R.N. (1995) Ruminal degradation characteristics of some african rangeland grasses. The Journal of Agricultural Science, 125 (2). pp. 189-197. ISSN 0021-8596

O'Reagain, P. J. and Grau, E. A. (1995) Sequence of species selection by cattle and sheep on South African sourveld. Journal of Range Management, 48 (4). pp. 314-321. ISSN 0022-409X